/usr/include/wolfssl/wolfcrypt/sha256.h is in libwolfssl-dev 3.4.8+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 | /* sha256.h
*
* Copyright (C) 2006-2015 wolfSSL Inc.
*
* This file is part of wolfSSL. (formerly known as CyaSSL)
*
* wolfSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* wolfSSL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/* code submitted by raphael.huck@efixo.com */
#ifndef WOLF_CRYPT_SHA256_H
#define WOLF_CRYPT_SHA256_H
#include <wolfssl/wolfcrypt/types.h>
#ifndef NO_SHA256
#ifdef HAVE_FIPS
/* for fips @wc_fips */
#include <cyassl/ctaocrypt/sha256.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
#ifndef HAVE_FIPS /* avoid redefinition of structs */
#ifdef WOLFSSL_PIC32MZ_HASH
#include "port/pic32/pic32mz-crypt.h"
#endif
/* in bytes */
enum {
SHA256 = 2, /* hash type unique */
SHA256_BLOCK_SIZE = 64,
SHA256_DIGEST_SIZE = 32,
SHA256_PAD_SIZE = 56
};
/* Sha256 digest */
typedef struct Sha256 {
word32 buffLen; /* in bytes */
word32 loLen; /* length in bytes */
word32 hiLen; /* length in bytes */
word32 digest[SHA256_DIGEST_SIZE / sizeof(word32)];
word32 buffer[SHA256_BLOCK_SIZE / sizeof(word32)];
#ifdef WOLFSSL_PIC32MZ_HASH
pic32mz_desc desc ; /* Crypt Engine descripter */
#endif
} Sha256;
#endif /* HAVE_FIPS */
WOLFSSL_API int wc_InitSha256(Sha256*);
WOLFSSL_API int wc_Sha256Update(Sha256*, const byte*, word32);
WOLFSSL_API int wc_Sha256Final(Sha256*, byte*);
WOLFSSL_API int wc_Sha256Hash(const byte*, word32, byte*);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* NO_SHA256 */
#endif /* WOLF_CRYPT_SHA256_H */
|